differ from most senate republicans? >>guest: the congressman wishes he was running against someone else but he is running against me. i disagree with the republican party on a number of issues. i believe in gay marriage. i'm for the immigration reform bill. i think that we need to have more, i'm a green republican and believe in global warming and i believe we need to have candidate back ground checks and i think the n.r.a. is wrong and there are a lot of areas i don't agree with the republican party and congressman markey wishes he was running against someone else. >>chris: you say you are for extended back ground check but the issue that markey hit you hardest on is gun control. take a look. >> my opponent opposes an assault weapons ban. my opponent opposes a ban on the high capacity magazines that attach to those assault weapons that turn them into weapons of